Finding the Fourth Proportional to 77,168.80, 115,602.72 and 50,793.76

Step by Step Solution

1. Step 1: Write the proportion equation
   77,168.80 : 115,602.72 = 50,793.76 : x
2. Step 2: Convert to fraction form
   77,168.80/115,602.72 = 50,793.76/x
3. Step 3: Cross multiply
   77,168.80x = 115,602.72 × 50,793.76
4. Step 4: Simplify right side
   77,168.80x = 5,871,896,815.03
5. Step 5: Solve for x
   x = 5,871,896,815.03/77,168.80
6. Step 6: Final answer
   x = 76,091.59